Vaishali Gupta, Supriya D. Seshadri and, Shalini Bajaj Solutions for Exercise 4: Exercises
Vaishali Gupta Science Solutions for Exercise - Vaishali Gupta, Supriya D. Seshadri and, Shalini Bajaj Solutions for Exercise 4: Exercises
Attempt the practice questions from Exercise 4: Exercises with hints and solutions to strengthen your understanding. OXFORD New Science In Everyday Life 8 solutions are prepared by Experienced Embibe Experts.
Questions from Vaishali Gupta, Supriya D. Seshadri and, Shalini Bajaj Solutions for Exercise 4: Exercises with Hints & Solutions
Answer the following:
Non-metal with metallic lustre.
Write one word for the following:
A non-metal from which the hardest substance is made.
Metal that can be cut with a knife.
Write one word for the following:
Non-metal that is a good conductor of electricity. (Write the name of the non-metal.)
Write one word for the following:
Metal that is stored in kerosene.
Write word equations and chemical equations for the following:
(a) Reaction of zinc with sulphuric acid
(b) Reaction of magnesium with sulphuric acid
(c) Reaction of aluminium with hydrochloric acid
What is a displacement reaction? Explain the statement 'Iron can displace copper from its salt solution, but copper cannot displace iron from its salt solution.'
On the basis of the reactivity series of metals, predict how these metals will react with each of the following salt solutions:
Metals: magnesium, zinc, copper, iron, and potassium
Salt solutions: magnesium sulphate, zinc sulphate, copper sulphate, iron sulphate, and potassium sulphate
